var instance = new wijmo.tree.wijtreenode();
var value; // Type: any

// Parameters
var node; // Type:  undefined
var position; // Type:  number

value = instance.add(node, position);

function add( 
   node : undefined,
   position : number
) : any;

Parameters

node

1.markup html.such as "<li><a>node</a></li>" as a node. 2.wijtreenode element. 3.object options according to the options of wijtreenode. 4. node's text.

position

The position to insert at.

Reference

wijtreenode type